1. Introduction When your project grows and you start adding multiple .proto files, especially copies or variations of similar messages, simple folder organization is not enough. Protobuf (protoc) does not treat directories the same way Java developers do. Instead, it relies on explicit package definitions and Java generation options to avoid naming conflicts. 2. The…

1. Creating the Maven Project You can use any IDE you like, but in this tutorial we will assume IntelliJ IDEA. Create a new Maven project with the name: gRPC-playground The word playground is intentional. It reminds us that: Use: Once the project is created, let Maven finish importing and indexing. 2. Installing the Protobuf…

1. Communication in a Microservices World In a modern microservices architecture, we almost never deal with a single standalone application. Instead, the system is composed of many small services, each responsible for a specific piece of functionality, and these services continuously talk to each other in order to handle a single user request. One service…

gRPC is a high-performance, open-source communication framework designed by Google for efficient communication between distributed systems. It is especially popular in microservices, cloud-native architectures, IoT, and low-latency systems. 1. What is gRPC? gRPC stands for Google Remote Procedure Call. It allows a service running on one machine to directly invoke a method on another machine…